Nut-lock.



f s'rA'rEs OFFICE@ Y i Amorjor coninirau's.,

. uur-Lock.

Beit known that. I, RAYALiroP, a citizen a off-fheunited states, residing atecolumbus,

` flint-lie countyof Yellowstone and State-of Mo'ntana, haveinvented ,a new'and'useful k, of -which the f ollovving is a specin-ven't-ion relates to nut locks, and `fits ob'eet the provision of meansfor preventlngwith vcertainty the working loose-. ofnuts ironibolts. v A further object of Iloekwhich shallbeparticula'rly etli'cient in Y ticularly set out in the .appended .claimv will t bejreadil-y" understood from the following` pin constructed according :operat-ion, and

1 isja boltl'provided with the headv square shoulder 3, and havin t-udina-l grooves-5 f The invention as-thus outlined and .as-:par-

detailed description, taken in-connection and with 4reference to the4 accompanying V In this drawi'n'gz-Figure 1 is'an elevation,

embodied in .asmall-sizebolt and nut, and dotted lines the applica# lockingpin'to a. bolt and .Fig 2 is an end View of .tail perspectives ofa nut, bolt and locking tomy invention.

Having'det'ailed reference to the drawing,

usual Athreaded portion provided and 6, said z ingularlj.Y displaced about the periphery o f lthe-nut r) a degree corresponding to an al1- quant part of saidperiphery, in the,

ive-eighths of the periphery.- nut 7 is represented as Having. 1n the present instance four facets 8 eachpibvided in itsfmedial portion with aA recess '9 and in its :frontl edge -wlth a notch 10 I 'in line with said-recess.' .11 of the -nut is vprovid fini valswith the grooves `tcesses 9.- t f f 4 A locking -in 1351s 'provided of' spring steely wire. llhis pin is lsubstantially lU- yhapeineross section and .wil

The 'threaded bore 'd at equally spaced 12, each of 'which ofthe nut in line with 10 and one -of the re- ;1s arranged radially one of the A notches has one leg 14 .pro- "ded preferably'with a point- 15 and the the 'invention is a. nut

are, respectively, de-

2 anda.-

present.` 'case being shown as separated a dist-ance 'corv res onding to l" he lygonal .pposipg in posi'tionlfupon the bolt, and the knob 'or head 17 yarranged to lie -Within and in frie' outwardl lfrom the bolt in a rection transf' versely't ereofinadvance of the nut, and

portion' in' a direction longitudinally of the bolt Vto form the outer leg.A

Iv am aware that itis not new to Y and anut with recesses in its 'facets and with groovesin the -wall of its4 threaded bore, and

'ing its headb'ent intoengagementzwith a rel cess, but my inventlon resides incertain pef scribed more particularly. y

The pin' 13 is, as stated, offspring metal yand is'made of a size andofgja shape which adapts'it to be used interchangeably with range, as indicated'i'n Fig. 1, and 'to-be read,- ily slipped into place in either ease by the fingers alone, the notches 10 providing. a

to the'recesses the pin is .entered Within the space formed 'bythe twoA opposing grooves, the continued.

inward pressure'wil'l pinto ride up the 4incline of the notch 10- and drop into. the recess. observed from Fig. 1 of the drawing that .the engagement between the head of the pin and upon anincline -so that there isno positive ylocking action between'A the pin and nut,

slight force exerted thereon4 in a directionv longitudinally of the bolt.

pin which is bent'overinto engagement' with a recess, or a spring pin arrangedto vengage positively'vvith a. recess or ove;1 the rear edge the nut,-hecessitatng the pin out of' t-hel recess in a.. rad1al direction by means of some tool.; grooves uponthe bolt 1s also distinctive. In

the present case vit will be' observed from it isJexteIlde'd bakwardly from thefcurve'd .beveled approach over the edge o f the-nut 9, so that if theV point 1 5 of cause the hea-d of .the

the Walls of the recess 1s a friction'al 'one and whereby the p1n may be readily removed by prying of the MoNfrANA,' AssrGNon-'or .dun-HALF 'ro anniv L. anni yor o oLUnBus, MONTANA.'

v speciacauon or Letters Patenti.' PatentedJune-S,1913,' Appliation'xea January 11,1912.l sena11to. s70.'s 7s. i

other leg'lp'rovided vvith'a terminal knob. .or head 17, the leg 1 4 arran ed 'to lie within. the cylindrical `bore forme -by two' ofthey grooves-5 and 1 2 when the nut is' g tional v engagement with` the'walls of one of the recesses 9. Thevlockin pin `is curved' rovideia', y bolt'wlthaplurahty of longitudinal grooves 70.-

`toulock .the nut and bolt together by a' pin lymg Within the opposing groovesand hav# 'culiarities ofc'onstruct-ion and arrangementof the several parts which will now be de-4 'nuts and bolts of divers sizes Within' a wide Moreover, it. wiubet Heretofore it j' has v been .usualzto provlde a non-resillent This position of the I Fig. 2 of the Ydrawing that when 'the groove l isy broughtinto register with the upper vgroove 12, the groove 6 occupies a position inidivay betve'en two of the. other grooves 12, -and it follows lthat if the nut be turned to bring the grooves 5 and 12 progressively 'out of vregistery the grooves (Savill progressively approach-nearer to oney 'of the grooves 12 and the greatest distance which canninder any circumstances intervenwbetweeii one of the grooves and (land a groove 12 cor` respondsto one-sixteenth of aeturnf` "Consequentlywhenv the` nut 'is screwedA ,home against the parts to be secured together, a subsequent adjustment of the nut back wardly or forwardly to bring tvvo of the grooves into register cannot under any cireumst-ances exceed .a one-sixteenth turn'.

By the arrangement of the grooves with the particular relation to each other stated and-the 4provision of the spring pin having a head arranged to engage frietionally with .and vforming yfitting in -recesses in the facets of the nut and guided thereinto by the notchesa a particularly eiiicientfnutlock is providedy which can be made ata very small expense and which by reason l of the changeable ,pin adapted to beyapplied toivarious sizes of bolts Without tools has a w'idezield of usefulness.

What 'is claimed is Inanut lock', the combination of a polygo nal nut having its plurality. of low dinal grooves corre spending radially with rcecssesisaid Ynut being also pw: ded at itsffrontiledgesgvitli notthes' a d .in line with ythe,recesses Y inclined guiding faces'fla bo t arranged to receive the nutand g d in its threaded portion :With-,a dong'itild/inal groove with which are adapted to register,

and. a

the bolt and curved outwardly from thev latter in a direction vtransversely thereo'f'in advance of the nut. and extended backwardly in a direction longitudinally of, the bolt lto forni an outer leg, the latter being provided Witha terminal head to engage a recess of the nut and the locking pin being resilient toenable itto be applied to nuts of diierent sizes, and the said notches beingadapted to receive the outer leg when theloeking pin is applied to a relatively large nut.l Y

y In'tcstiniony, that I claim theforegoingy as niv own, l have hereto ailixed niy signa' ture in the presence of two -witnesses.

y RAYALTOR lVitnesses PAT LAvnLLE,

HARRY 5L. Barri",

yfacets providedwith` re y cesses and its threaded bore provided Withraf.,

the grooves of the nutf locking registering grooves of thenut and."l 

